Traveling around big cities by taxi can cost a lot of money, but it's usually        to take the underground train to most places.
#45385
A
amazing
B
expensive
C
convenient
D
exciting
推荐题目
The girl is not_____to go to school.
#45142
A
enough old
B
enough young
C
young enough
D
old enough
 –Don’t worry. We still have __________ time. 
#45218
A
little
B
a little
C
few
D
a few
E-mail is much ______than long-distance calling.
#46922
A
cheaper
B
cheap
C
the cheaper
D
cheapest
Our English teacher has    son.
#45304
A
a 8-year-old
B
an 8-years old.
C
a 8-year-old
D
an 8-year-old